EXTRACTION OF AM(III) AND CM(III) WITH 1-PHENYL-3-METHYL-4-ACETYL-PYRAZOLONE-5

被引：0

作者：

MOHAPATRA, PK ^{[1
]}

MANCHANDA, VK ^{[1
]}

机构：

[1] BHABHA ATOM RES CTR,DIV RADIOCHEM,BOMBAY 400085,INDIA

来源：

RADIOCHIMICA ACTA | 1992年 / 57卷 / 01期

关键词：

AMERICIUM(III); CURIUM(III); SYNERGISM; 1-PHENYL-3-METHYL-4-ACETYL-PYRAZOLONE-5; TRI-N-BUTYL PHOSPHATE; TRI-N-OCTYL-PHOSPHINE OXIDE;

D O I：

暂无

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

1-Phenyl-3-methyl-4-acetyl-pyrazolone-5 (HPMAP) was found to extract Am(III) as well as Cm(III) as self adduct species M(PMAP)3 . HPMAP (where M = Am/Cm) towards toluene from aqueous phase at pH = 3.0. In the presence of oxodonor (S), synergistic species M(PMAP)3 . S and M(PMAP)3 . 2S were co-extracted [S = tri-n-butyl phosphate (TBP)/di-n-octyl sulphoxide (DOSO)/tri-n-octyl phosphine oxide (TOPO)] towards organic phase. The adduct formation constants were found to be influenced by the proton affinity constants of the donors and those of the beta-diketones as well as by the steric hindrance offered by the three pyrazolone chelate rings (around the metal ion) to the approaching oxodonor.

引用

页码：25 / 28

页数：4

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